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Desk of Ladyada - Festival of Lights PCB push ✨🎇
Wrapping up last year with display and LED PCB projects, including GC9A01A round display protos and Sparkle Motion boards. Solenoid driver testing underway, fixing WLED/mic interference. Great Search: Picking SOD-323 flyback diodes for solenoids, balancing specs and cost.
#deskofladyada#festivaloflights#pcbdesign#ledpcbs#sparklemotion#solenoiddriver#electronicsengineering#wled#gc9a01a#flybackdiodes#solenoids#makerspace#engineeringlife#diyelectronics#adafruit#leddisplays#prototyping#opensourcehardware#electronicsprojects#sparklemotionboards#hardwaredesign#wirelessmicrophones#engineeringtesting#solenoidflyback#sod323#diyprojects#makersgonnamake#hardwarehackers#techinnovation#electronicscomponents
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Got lots and lots of solenoids?
We were chatting with a customer and realized we need a better solution for customers with many solenoids or other high-current on/off loads. This breakout will make it easy to control and power many inductive or high-current loads. An mcp23017
https://www.digikey.com/short/nf4pn2rc
expander over I2C provides 8 output pins, each connected to an AO3406 N-Channel FET
https://www.digikey.com/short/rh398zbh
with a 1N4007 flyback diode.
https://www.digikey.com/short/343h9890
Terminal blocks allow for quick wiring to power and each high current output, including one chunky block for the power input. The other 8 expander I/Os are exposed if you want buttons or simple LEDs. The breakouts have stemma QT for fast chaining/control over I2C.
#solenoids#electronicsprojects#highcurrent#i2c#mcp23017#nchannelfet#diycircuits#engineeringtools#hardwarehacking#inductiveloads#flybackdiode#terminalblocks#powersolutions#makerspace#hardwaredesign#circuitboard#stemmaqt#microcontrollers#electronicsengineering#techtools#diyengineering#embeddeddesign#electroniccomponents#breakoutboard#electronicsdiy#hardwareprojects#loadcontrol#electronicsgeek#techinnovation#powercontrol
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